From 9a23a81671929212e535ae8171b0cba27c3a2067 Mon Sep 17 00:00:00 2001 From: Andrew Browning Date: Wed, 25 Oct 2017 02:33:49 -0400 Subject: [PATCH] Prevent video plugin from processing svg [#934] Prior to the gstreamer-1.0 upgrade, the video processing engine included a check for excluded extensions which gstreamer might accept despite us not wanting to process them. In commit 91f5f5e, the check against EXCLUDED_EXT was removed. Since then, the video plugin has accepted and attempted to process svg files. This commit adds the check against EXCLUDED_EXTS into the sniff_handler function so that we can bail out on certain file extensions before the plugins tries to sniff the file type. The previous implementation excluded nef files, which appears to be a Nikon camera image. I've copied that forward to this code. I've also added a log message to indicate that we're purposefully refusing to process the file. --- mediagoblin/media_types/video/processing.py | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mediagoblin/media_types/video/processing.py b/mediagoblin/media_types/video/processing.py index ca3087a2..3168c054 100644 --- a/mediagoblin/media_types/video/processing.py +++ b/mediagoblin/media_types/video/processing.py @@ -79,7 +79,17 @@ def sniffer(media_file): return MEDIA_TYPE +EXCLUDED_EXTS = ["nef", "svg"] + def sniff_handler(media_file, filename): + name, ext = os.path.splitext(filename) + clean_ext = ext.lower()[1:] + + if clean_ext in EXCLUDED_EXTS: + # We don't handle this filetype, though gstreamer might think we can + _log.info('Refused to process {0} due to excluded extension'.format(filename)) + return None + try: return sniffer(media_file) except: -- 2.25.1